Life has no meaning a priori. It is up to you to give it a meaning.
改进程序的最好方法是重写它。
The only way to learn mathematics is to do mathematics.
很难想象有谁不曾一度因爱或因缺乏爱而萎靡不振。
We are all patchworks of our ancestors.
一个人的真正价值主要取决于他从自我中解放出来的程度和意识。